﻿using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Options;
using Newtonsoft.Json;

namespace JNPF.JsonSerialization;

/// <summary>
/// Newtonsoft.Json 序列化提供器
/// </summary>
[Injection(Order = -999)]
public class NewtonsoftJsonSerializerProvider : IJsonSerializerProvider, ISingleton
{
    /// <summary>
    /// 获取 JSON 配置选项
    /// </summary>
    private readonly MvcNewtonsoftJsonOptions _jsonOptions;

    /// <summary>
    /// 构造函数
    /// </summary>
    /// <param name="options"></param>
    public NewtonsoftJsonSerializerProvider(IOptions<MvcNewtonsoftJsonOptions> options)
    {
        _jsonOptions = options.Value;
    }

    /// <summary>
    /// 序列化对象
    /// </summary>
    /// <param name="value"></param>
    /// <param name="jsonSerializerOptions"></param>
    /// <returns></returns>
    public string Serialize(object value, object jsonSerializerOptions = null)
    {
        return JsonConvert.SerializeObject(value, (jsonSerializerOptions ?? GetSerializerOptions()) as JsonSerializerSettings);
    }

    /// <summary>
    /// 反序列化字符串
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="json"></param>
    /// <param name="jsonSerializerOptions"></param>
    /// <returns></returns>
    public T Deserialize<T>(string json, object jsonSerializerOptions = null)
    {
        return JsonConvert.DeserializeObject<T>(json, (jsonSerializerOptions ?? GetSerializerOptions()) as JsonSerializerSettings);
    }

    /// <summary>
    /// 反序列化字符串
    /// </summary>
    /// <param name="json"></param>
    /// <param name="jsonSerializerOptions"></param>
    /// <returns></returns>
    public object Deserialize(string json, object jsonSerializerOptions = null)
    {
        return JsonConvert.DeserializeObject<object>(json, (jsonSerializerOptions ?? GetSerializerOptions()) as JsonSerializerSettings);
    }

    /// <summary>
    /// 返回读取全局配置的 JSON 选项
    /// </summary>
    /// <returns></returns>
    public object GetSerializerOptions()
    {
        return _jsonOptions?.SerializerSettings;
    }
}